US2890995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing high octane motor fuels
Assignee: Phillips Petroleum Co
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Filing: 1955-06-13
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Granted: 1959-06-16
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Expires: 1975-06-13
Abstract
No abstract record available.
Inventors
- 👤 Robert A Findlay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:29
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10L1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A PROCESS FOR PRODUCING MOTOR FUEL WHICH COMPRISES FRACTIONATING A CRACKED GASOLINE STOCK INTO AN OVERHEAD OLEFIN-RICH FRACTION HAVING AN END POINT IN THE RANGE OF 200 TO 250*F. AND A BOTTOMS FRACTION BOILING IN THE RANGE OF 210 TO 400*F.; CATALYSTICALLY ALKYLATING ISOBUTANE WITH SAID OLEFIN-RICH FRACTION IN LIQUID PHASE IN AN ALKYLATING ZONE TO WHICH THE VOLUME RATIO OF ISOBUTANE TO SAID OLEFIN-RICH FRACTION INTRODUCED IS IN THE RANGE OF 3:1 TO 10:1 USING HF AS A CATALYST, A TEMPERATURE IN THE RANGE OF 50 TO 120*F., AND A REACTION TIME IN THE RANGE OF 2 TO 20 MINUTES; FRACTIONATING THE RESULTING ALKYLATE INTO A SUBSTANTIALLY DEOLEFINIZED OVERHEAD FRACTION CONTAINING ISOHEPTANES AND LIGHTER HYDROCARBONS HAVING AN END POINT IN THE RANGE OF ABOUT 205 TO 210*F., AND A BOTTOMS FRACTION COMPRISING A SYNTHETIC GASOLINE CONTAINING THE MAJOR PORTION OF C9 TO C12 ISOPRAFFINS IN SAID ALKYLATE; PASSING AT
Claim 2
Dependent Claim
26 words
THE PROCESS OF CLAIM 4 WHEREIN THE ALKYLATION CATALYST COMPRISES 85 TO 95% HF AND THE REFORMING CATALYST COMPRISES PLATINUM DEPOSITED ON A HALOGEN-CONTAINING CRACKING CATALYST.
References Cited (Backward Citations)
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US2360463A
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US2404393A
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US2403929A
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US2370533A
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US2654694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |